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REALIZATION OF THE FRONTAL ALGORITHM OF IRREGULAR QUADRANGULAR NETS BUILDING

A. V. Scovpen
VANT. Ser.: Mat. Mod. Fiz. Proc 2005. Вып.1. С. 9-30.

A two-dimensional algorithm and an irregular quadrangular nets building code were developed. The algorithm is made on the basis of Q-Morth algorithm suggested by C. Owen and relates to the indirect frontal methods of irregular quadrangular nets building. A preliminary region triangulation and the following triangle transformation with quadrangular cells formation were applied when building a net. Coordinates of boundary nodes represent input data. The algorithm works in the automatic mode and doesn’t modify boundary nodes. The derivable net is fully quadrangular if the region boundary consists of even number of edges. When the number of edges is odd a triangular cell appears in the net. The program established on the basis of the algorithm can be used as an independent net module in the computational modeling.










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